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Title: Continuum bound states as surface states of a finite periodic system
Author: Sprung, Donald W. L.
Jagiello, P.
Sigetich, J. D.
Martorell Domenech, Juan
Keywords: Semiconductors
Equacions d'ones
Teoria quàntica
Wave equation
Quantum theory
Issue Date: 2003
Publisher: The American Physical Society
Abstract: We discuss the relation between continuum bound states (CBSs) localized on a defect, and surface states of a finite periodic system. We model an experiment of Capasso et al. [F. Capasso, C. Sirtori, J. Faist, D. L. Sivco, S-N. G. Chu, and A. Y. Cho, Nature (London) 358, 565 (1992)] using the transfer-matrix method. We compute the rate for intrasubband transitions from the ground state to the CBS and derive a sum rule. Finally we show how to improve the confinement of a CBS while keeping the energy fixed.
Note: Reproducció digital del document publicat en format paper, proporcionada per PROLA i
It is part of: Physical Review B, 2003, vol. 67, núm. 8, p. 085318(1)-085318(11)
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ISSN: 0163-1829
Appears in Collections:Articles publicats en revistes (Física Quàntica i Astrofísica)

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